A 14-year-old human boy. He has red hair and red eyes. He runs toward his dreams with indomitable will. He is quick to help those in trouble and tends to act before he thinks.

A 14-year-old human girl. She has blonde pigtails and purplish-blue eyes. She is a cheerful and spirited tomboy with a bright personality, and she is Jin Hayst's irreplaceable childhood friend. She is incredibly strong and a talented cook.

A 14-year-old human Crown Princess. She has long platinum blonde hair and Listerine-colored turquoise eyes. She speaks to everyone with elegant and dignified politeness. She is the Princess of the Carmon Kingdom who never loses her will or dignity despite any hardship. She is currently a fugitive, having been driven out by the rebellion led by Destro. She possesses the ability to understand the language of monsters through the power of her pendant, the symbol of the royal family.

A 14-year-old human boy. He has brown hair and blue eyes. He is a childhood friend of Jin and Laura, a cool-headed competitor with strong pride. While he often appears cold and aloof to others, he shows the side of an infinitely kind older brother to his younger sibling, Robin.

A 12-year-old human boy. He has red hair and red eyes. His personality is the polar opposite of the realistic and cold Michael, and he often shows an emotional side.

Full name Louis de Broglie XIV. A 14-year-old human boy. He has black hair and gray eyes. A descendant of a prestigious family and a nobleman from Vonas. He often displays chivalrous behavior and uses a formal, archaic speech style.

A 14-year-old human male. He has dark brown hair and clear green eyes. He is from the slums of Posca Castle. Originally from the downtown area, he moved to the slums after his parents were killed by thugs. He was a subordinate of the villain Destro but did not obey orders. Currently, he has betrayed Destro and joined Jin's group.

A 14-year-old human boy. He has blonde hair and bright sky-blue eyes. He is called the 'One with the Wings of the Wind' in Sky Valley (he seems to have a significant ability to read the wind). He is a womanizer who is very fond of girls.

A 17-year-old human boy. He has long dark green hair and green eyes. The First Prince of the Central Kingdom, he is said to have left the kingdom as if running away from home. He is exceptionally skilled in martial arts (specifically Chinese styles). His attire is also Chinese-inspired. Contrary to his impression, he has a sly yet serious personality.

Formerly a knight of the Carmon Kingdom, he conspired with the dark wizard Auvis to start a rebellion to seize the throne from the King of Carmon. He is plotting a massive conspiracy to take control of the Carmon Kingdom by using Sena.